Boundary：Refers to the Before horizontal filling，Advanced ring filling. Due to
the function of completely filling with rings, there will be cases where the last
ring cannot be filled evenly,So this function is used to solve such problems.
[Note: the line space shall not be too large during text hatching, because a too
large line space will cause the hatch filling effect to be invisible.]
Hatch one by one: choose multi object and hatch together, after hatch, still
independent
Keep the independence：When multiple objects are filled together after
checking, they are still multiple objects
object.Undo Hatch：delet hatching
Delete : Delete the object's fill line and restore the original content
Dissolve Group on Delete: Ungroup when you perform a delete operation.
Dismiss group on wher：
Auto rotate hatch: Refers to after every marking, the hatch line will fill the
revolving angle which we setted automatically to marking again. For example,
angle is 0, auto rotate angle is 30, the first mark angle is 0, the second is 30,
the third is 60, and so on
Auto rotate filling: Check this item and set the rotation angle, then the angle
of the filling line will be changed automatically according to the setting after
each marking
Automatic rotation a
Multi-figure Operation: Default, Intersection, Union, Difference Set As
shown in Figure 3-12, the figure combination can be filled with different
patterns.
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